Home / 8,395.32-12,581.64-3,198.36

Finding the Fourth Proportional to 8,395.32, 12,581.64 and 3,198.36

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Solution

The fourth proportional to 8,395.32, 12,581.64 and 3,198.36 is: 4,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.32 : 12,581.64 = 3,198.36 : x
  2. Step 2: Convert to fraction form
    8,395.32/12,581.64 = 3,198.36/x
  3. Step 3: Cross multiply
    8,395.32x = 12,581.64 × 3,198.36
  4. Step 4: Simplify right side
    8,395.32x = 40,240,614.11
  5. Step 5: Solve for x
    x = 40,240,614.11/8,395.32
  6. Step 6: Final answer
    x = 4,793.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.